Scholars find Earth won't support humans much longer and need to identify a planet with water to inhabit. They test four unknown samples and determine which is the closest to water. Then they explain and defend their results.

Earth's climate changed drastically throughout the history of the planet, so why do scientists blame humans for recent changes? Observe data covering the history of the planet that proves the natural climate change patterns. Then, learn...

Use spectral knowledge to make discoveries on a distant moon. Small groups gather information from images of one of Saturn's moons. The moon orbits within the E-ring made up of mainly water ice. Using information about the composition of...

Volcanoes are among the most spectacular geological features on the planet. Jump into an exploration of these amazing phenomenon with this multimedia lesson plan series. Working collaboratively in small groups, young scientists view...

Satellite images from NASA help scholars focus on the similarities on the planet rather than the differences. The photos from the installment of a larger PBS series exploring weather and climate compare geological formations in the...

Meteorologists view an animated video by the Environmental Protection Agency to learn how the carbon cycle works, and then move into groups to analyze and graph actual data of the atmospheric carbon dioxide concentration from Hawaii's...

Environmentalists test stream water for temperature, pH, and turbidity. Each group shares their information and then the class makes an overall evaluation of the water quality. A slide show sets the backdrop for the teaching portion and...

Everyone knows a tree makes a sound when it falls, but what do we know about dying trees? Class members learn background information about Laurel wilt disease from a teacher-led presentation. Team members work with partners to read and...

Charon, the largest of Pluto's moons, was discovered in 1978. Lesson is a walk through of how to solve for the phases of Charon. It uses two different points on Pluto and takes into account the tilt of the pole, the rotational axis, and...